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United States Patent | 5,241,809 |
Wolff ,   et al. | September 7, 1993 |
A cutting machine (1) intended to be coupled to a motor vehicle (2) includes a draw spring (59) and a locking element (28) to lock the pivoting of a support beam (5) relative to a hitching structure (4) around an axis (11A) of a first journal (11) during transport, and whose action is cancelled during work and set down.
Inventors: | Wolff; Michel (Waltenheim s/Zorn, FR); Neuerburg; Horst (Saverne, FR) |
Assignee: | Kuhn S.A. (Saverne Cedex, FR) |
Appl. No.: | 870593 |
Filed: | April 17, 1992 |
Apr 30, 1991[FR] | 91 05560 |
Current U.S. Class: | 56/16.2; 56/DIG.10 |
Intern'l Class: | A01D 034/66; A01D 034/06 |
Field of Search: | 56/16.2,15.9,16.3,DIG. 10,6,7,15.2,228 |
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4720964 | Jan., 1988 | Ermacora et al. | 56/13. |
4730445 | Mar., 1988 | Wolff | 56/13. |
4761940 | Aug., 1988 | Wolff | 56/13. |
4763463 | Aug., 1988 | Ermacora et al. | 56/13. |
4809488 | Mar., 1989 | Neuerburg et al. | 56/13. |
4833868 | May., 1989 | Ermacora et al. | 56/13. |
4879870 | Nov., 1989 | Neuerburg | 56/13. |
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4909023 | Mar., 1990 | Haberkorn et al. | 56/13. |
4922693 | May., 1990 | Neuerburg | 56/13. |
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4970848 | Nov., 1990 | Neuerburg et al. | 56/10. |
4999981 | Mar., 1991 | Neuerburg | 56/6. |
5101616 | Apr., 1992 | Wolff | 56/15. |
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